05dccc3551
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@8375 a1c6a512-1295-4272-9138-f99709370657
530 lines
12 KiB
C
530 lines
12 KiB
C
/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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* $Id$
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*
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* Copyright (C) 2002 Björn Stenberg
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*
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* All files in this archive are subject to the GNU General Public License.
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* See the file COPYING in the source tree root for full license agreement.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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#include <stdbool.h>
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#include <string.h>
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#include <stdio.h>
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#include <atoi.h>
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#include <timefuncs.h>
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#include <ctype.h>
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#include "debug.h"
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#include "button.h"
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#include "lcd.h"
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#include "dir.h"
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#include "file.h"
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#include "kernel.h"
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#include "sprintf.h"
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#include "logf.h"
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#include "screens.h"
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#include "misc.h"
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#include "mas.h"
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#include "plugin.h"
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#include "lang.h"
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#include "keyboard.h"
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#include "mpeg.h"
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#include "buffer.h"
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#include "mp3_playback.h"
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#include "backlight.h"
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#include "ata.h"
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#include "talk.h"
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#include "mp3data.h"
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#include "powermgmt.h"
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#include "system.h"
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#include "timer.h"
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#include "sound.h"
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#include "database.h"
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#include "splash.h"
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#if (CONFIG_CODEC == SWCODEC)
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#include "pcm_playback.h"
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#endif
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#ifdef HAVE_LCD_BITMAP
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#include "peakmeter.h"
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#include "widgets.h"
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#include "bmp.h"
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#endif
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#ifdef HAVE_REMOTE_LCD
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#include "lcd-remote.h"
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#endif
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#ifdef SIMULATOR
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static unsigned char pluginbuf[PLUGIN_BUFFER_SIZE];
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void *sim_plugin_load(char *plugin, int *fd);
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void sim_plugin_close(int fd);
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#else
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#define sim_plugin_close(x)
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extern unsigned char pluginbuf[];
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#include "bitswap.h"
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#endif
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/* for actual plugins only, not for codecs */
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static bool plugin_loaded = false;
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static int plugin_size = 0;
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static void (*pfn_tsr_exit)(void) = NULL; /* TSR exit callback */
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static const struct plugin_api rockbox_api = {
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/* lcd */
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lcd_set_contrast,
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lcd_clear_display,
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lcd_puts,
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lcd_puts_scroll,
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lcd_stop_scroll,
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#ifdef HAVE_LCD_CHARCELLS
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lcd_define_pattern,
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lcd_get_locked_pattern,
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lcd_unlock_pattern,
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lcd_putc,
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lcd_put_cursor,
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lcd_remove_cursor,
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PREFIX(lcd_icon),
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lcd_double_height,
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#else
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#ifndef SIMULATOR
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lcd_roll,
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#endif
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lcd_set_drawmode,
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lcd_get_drawmode,
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lcd_setfont,
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lcd_getstringsize,
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lcd_drawpixel,
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lcd_drawline,
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lcd_hline,
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lcd_vline,
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lcd_drawrect,
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lcd_fillrect,
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lcd_mono_bitmap_part,
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lcd_mono_bitmap,
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#if LCD_DEPTH > 1
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lcd_set_foreground,
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lcd_get_foreground,
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lcd_set_background,
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lcd_get_background,
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lcd_bitmap_part,
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lcd_bitmap,
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#endif
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lcd_putsxy,
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lcd_puts_style,
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lcd_puts_scroll_style,
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&lcd_framebuffer[0][0],
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lcd_blit,
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lcd_update,
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lcd_update_rect,
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scrollbar,
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checkbox,
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font_get,
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font_getstringsize,
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font_get_width,
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#endif
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backlight_on,
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backlight_off,
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backlight_set_timeout,
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gui_syncsplash,
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#ifdef HAVE_REMOTE_LCD
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/* remote lcd */
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lcd_remote_set_contrast,
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lcd_remote_clear_display,
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lcd_remote_puts,
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lcd_remote_puts_scroll,
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lcd_remote_stop_scroll,
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#ifndef SIMULATOR
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lcd_remote_roll,
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#endif
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lcd_remote_set_drawmode,
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lcd_remote_get_drawmode,
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lcd_remote_setfont,
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lcd_remote_getstringsize,
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lcd_remote_drawpixel,
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lcd_remote_drawline,
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lcd_remote_hline,
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lcd_remote_vline,
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lcd_remote_drawrect,
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lcd_remote_fillrect,
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lcd_remote_mono_bitmap_part,
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lcd_remote_mono_bitmap,
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lcd_remote_putsxy,
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lcd_remote_puts_style,
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lcd_remote_puts_scroll_style,
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&lcd_remote_framebuffer[0][0],
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lcd_remote_update,
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lcd_remote_update_rect,
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remote_backlight_on,
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remote_backlight_off,
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#endif
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/* button */
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button_get,
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button_get_w_tmo,
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button_status,
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button_clear_queue,
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#if CONFIG_KEYPAD == IRIVER_H100_PAD
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button_hold,
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#endif
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/* file */
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(open_func)PREFIX(open),
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close,
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(read_func)read,
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PREFIX(lseek),
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(creat_func)PREFIX(creat),
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(write_func)write,
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PREFIX(remove),
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PREFIX(rename),
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PREFIX(ftruncate),
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PREFIX(filesize),
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fdprintf,
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read_line,
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settings_parseline,
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#ifndef SIMULATOR
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ata_sleep,
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#endif
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/* dir */
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PREFIX(opendir),
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PREFIX(closedir),
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PREFIX(readdir),
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PREFIX(mkdir),
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/* kernel/ system */
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PREFIX(sleep),
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yield,
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¤t_tick,
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default_event_handler,
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default_event_handler_ex,
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create_thread,
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remove_thread,
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reset_poweroff_timer,
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#ifndef SIMULATOR
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system_memory_guard,
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&cpu_frequency,
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#ifdef HAVE_ADJUSTABLE_CPU_FREQ
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cpu_boost,
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#endif
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timer_register,
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timer_unregister,
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timer_set_period,
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#endif
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/* strings and memory */
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snprintf,
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strcpy,
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strncpy,
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strlen,
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strrchr,
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strcmp,
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strncmp,
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strcasecmp,
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strncasecmp,
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memset,
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memcpy,
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_ctype_,
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atoi,
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strchr,
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strcat,
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memcmp,
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strcasestr,
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/* unicode stuff */
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utf8decode,
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iso_decode,
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utf16LEdecode,
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utf16BEdecode,
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utf8encode,
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utf8length,
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/* sound */
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sound_set,
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sound_min,
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sound_max,
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#ifndef SIMULATOR
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mp3_play_data,
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mp3_play_pause,
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mp3_play_stop,
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mp3_is_playing,
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#if CONFIG_CODEC != SWCODEC
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bitswap,
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#endif
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#if CONFIG_CODEC == SWCODEC
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pcm_play_data,
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pcm_play_stop,
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pcm_set_frequency,
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pcm_is_playing,
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pcm_play_pause,
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#endif
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#endif
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/* playback control */
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PREFIX(audio_play),
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audio_stop,
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audio_pause,
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audio_resume,
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audio_next,
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audio_prev,
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audio_ff_rewind,
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audio_next_track,
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playlist_amount,
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audio_status,
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audio_has_changed_track,
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audio_current_track,
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audio_flush_and_reload_tracks,
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audio_get_file_pos,
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#if !defined(SIMULATOR) && (CONFIG_CODEC != SWCODEC)
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mpeg_get_last_header,
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#endif
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#if (CONFIG_CODEC == MAS3587F) || (CONFIG_CODEC == MAS3539F)
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sound_set_pitch,
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#endif
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#if !defined(SIMULATOR) && (CONFIG_CODEC != SWCODEC)
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/* MAS communication */
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mas_readmem,
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mas_writemem,
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mas_readreg,
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mas_writereg,
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#if (CONFIG_CODEC == MAS3587F) || (CONFIG_CODEC == MAS3539F)
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mas_codec_writereg,
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mas_codec_readreg,
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#endif
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#endif /* !SIMULATOR && CONFIG_CODEC != SWCODEC */
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/* tag database */
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&tagdbheader,
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&tagdb_fd,
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&tagdb_initialized,
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tagdb_init,
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/* runtime database */
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&rundbheader,
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&rundb_fd,
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&rundb_initialized,
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/* menu */
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menu_init,
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menu_exit,
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menu_show,
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menu_run,
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menu_cursor,
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menu_description,
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menu_delete,
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menu_count,
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menu_moveup,
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menu_movedown,
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menu_draw,
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menu_insert,
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menu_set_cursor,
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/* misc */
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srand,
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rand,
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(qsort_func)qsort,
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kbd_input,
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get_time,
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set_time,
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plugin_get_buffer,
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plugin_get_audio_buffer,
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plugin_tsr,
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#if defined(DEBUG) || defined(SIMULATOR)
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debugf,
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#endif
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#ifdef ROCKBOX_HAS_LOGF
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logf,
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#endif
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&global_settings,
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mp3info,
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count_mp3_frames,
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create_xing_header,
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find_next_frame,
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battery_level,
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battery_level_safe,
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#if (CONFIG_CODEC == MAS3587F) || (CONFIG_CODEC == MAS3539F)
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peak_meter_scale_value,
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peak_meter_set_use_dbfs,
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peak_meter_get_use_dbfs,
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#endif
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#ifdef HAVE_LCD_BITMAP
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read_bmp_file,
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screen_dump_set_hook,
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#endif
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show_logo,
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/* new stuff at the end, sort into place next time
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the API gets incompatible */
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#ifdef RB_PROFILE
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profile_thread,
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profstop,
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profile_func_enter,
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profile_func_exit,
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#endif
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};
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int plugin_load(const char* plugin, void* parameter)
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{
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int fd, rc;
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struct plugin_header *hdr;
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#ifndef SIMULATOR
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ssize_t readsize;
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#endif
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#ifdef HAVE_LCD_BITMAP
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int xm, ym;
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#endif
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if (pfn_tsr_exit != NULL) /* if we have a resident old plugin: */
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{
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pfn_tsr_exit(); /* force it to exit now */
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pfn_tsr_exit = NULL;
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plugin_loaded = false;
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}
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lcd_clear_display();
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#ifdef HAVE_LCD_BITMAP
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xm = lcd_getxmargin();
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ym = lcd_getymargin();
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lcd_setmargins(0,0);
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lcd_update();
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#endif
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#ifdef SIMULATOR
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hdr = sim_plugin_load((char *)plugin, &fd);
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if (!fd) {
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gui_syncsplash(HZ*2, true, str(LANG_PLUGIN_CANT_OPEN), plugin);
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return -1;
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}
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if (hdr == NULL
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|| hdr->magic != PLUGIN_MAGIC
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|| hdr->target_id != TARGET_ID) {
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sim_plugin_close(fd);
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gui_syncsplash(HZ*2, true, str(LANG_PLUGIN_WRONG_MODEL));
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return -1;
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}
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if (hdr->api_version > PLUGIN_API_VERSION
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|| hdr->api_version < PLUGIN_MIN_API_VERSION) {
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sim_plugin_close(fd);
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gui_syncsplash(HZ*2, true, str(LANG_PLUGIN_WRONG_VERSION));
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return -1;
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}
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#else
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fd = open(plugin, O_RDONLY);
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if (fd < 0) {
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gui_syncsplash(HZ*2, true, str(LANG_PLUGIN_CANT_OPEN), plugin);
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return fd;
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}
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/* zero out plugin buffer to ensure a properly zeroed bss area */
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memset(pluginbuf, 0, PLUGIN_BUFFER_SIZE);
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readsize = read(fd, pluginbuf, PLUGIN_BUFFER_SIZE);
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close(fd);
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if (readsize < 0) {
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gui_syncsplash(HZ*2, true, str(LANG_READ_FAILED), plugin);
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return -1;
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}
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hdr = (struct plugin_header *)pluginbuf;
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if ((unsigned)readsize <= sizeof(struct plugin_header)
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|| hdr->magic != PLUGIN_MAGIC
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|| hdr->target_id != TARGET_ID
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|| hdr->load_addr != pluginbuf
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|| hdr->end_addr > pluginbuf + PLUGIN_BUFFER_SIZE) {
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gui_syncsplash(HZ*2, true, str(LANG_PLUGIN_WRONG_MODEL));
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return -1;
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}
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if (hdr->api_version > PLUGIN_API_VERSION
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|| hdr->api_version < PLUGIN_MIN_API_VERSION) {
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gui_syncsplash(HZ*2, true, str(LANG_PLUGIN_WRONG_VERSION));
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return -1;
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}
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plugin_size = hdr->end_addr - pluginbuf;
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#endif
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plugin_loaded = true;
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invalidate_icache();
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rc = hdr->entry_point((struct plugin_api*) &rockbox_api, parameter);
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/* explicitly casting the pointer here to avoid touching every plugin. */
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button_clear_queue();
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#ifdef HAVE_LCD_BITMAP
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#if LCD_DEPTH > 1
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lcd_set_drawinfo(DRMODE_SOLID, LCD_DEFAULT_FG, LCD_DEFAULT_BG);
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#else /* LCD_DEPTH == 1 */
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lcd_set_drawmode(DRMODE_SOLID);
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#endif /* LCD_DEPTH */
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/* restore margins */
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lcd_setmargins(xm,ym);
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#endif /* HAVE_LCD_BITMAP */
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if (pfn_tsr_exit == NULL)
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plugin_loaded = false;
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sim_plugin_close(fd);
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switch (rc) {
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case PLUGIN_OK:
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break;
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case PLUGIN_USB_CONNECTED:
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return PLUGIN_USB_CONNECTED;
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default:
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gui_syncsplash(HZ*2, true, str(LANG_PLUGIN_ERROR));
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break;
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}
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return PLUGIN_OK;
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}
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/* Returns a pointer to the portion of the plugin buffer that is not already
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being used. If no plugin is loaded, returns the entire plugin buffer */
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void* plugin_get_buffer(int* buffer_size)
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{
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int buffer_pos;
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if (plugin_loaded)
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{
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if (plugin_size >= PLUGIN_BUFFER_SIZE)
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return NULL;
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*buffer_size = PLUGIN_BUFFER_SIZE-plugin_size;
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buffer_pos = plugin_size;
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}
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else
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{
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*buffer_size = PLUGIN_BUFFER_SIZE;
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buffer_pos = 0;
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}
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return &pluginbuf[buffer_pos];
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}
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/* Returns a pointer to the mp3 buffer.
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Playback gets stopped, to avoid conflicts. */
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void* plugin_get_audio_buffer(int* buffer_size)
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{
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audio_stop();
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talk_buffer_steal(); /* we use the mp3 buffer, need to tell */
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*buffer_size = audiobufend - audiobuf;
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return audiobuf;
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}
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/* The plugin wants to stay resident after leaving its main function, e.g.
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runs from timer or own thread. The callback is registered to later
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instruct it to free its resources before a new plugin gets loaded. */
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void plugin_tsr(void (*exit_callback)(void))
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{
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pfn_tsr_exit = exit_callback; /* remember the callback for later */
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}
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